package com.jneagle.xlstool.bzwgjmx.stack.handler;

import com.dwarfeng.subgrade.stack.handler.Handler;
import com.jneagle.xlstool.bzwgjmx.stack.structure.ProgressObserver;

/**
 * 进度处理器。
 *
 * @author DwArFeng
 * @since 1.0.0
 */
public interface ProgressHandler extends Handler {

    void addObserver(ProgressObserver observer);

    void removeObserver(ProgressObserver observer);
}
